We spent today at the Great Barrier Reef, which was probably one of the coolest experiences of the trip. I personally went snorkelling, and several others in the group went diving as well. We went to two reefs, where I saw more fish and more colorful coral than I have seen at any other snorkeling site. Once we were back in Cairns for the evening, we walked to the downtown area and did a little shopping before turning in for the night.